Q: What is the sum of all factors of the number 3,909,419 excluding 3,909,419?
A: 21,781
The factors of the number 3,909,419 are: 1, 181, 21599, 3909419.
If you add them up, you will get the total of 3,909,440. Now subtract 3,909,419 to get 21,781